<p class="tip" style="display:none;"></p>

<!-- use form with id-->
<form id="login" method="post">
    <input type="text" name="name" required placeHolder="name" value="wzq"><br>
    <input type="password" name="password" required placeHolder="password" value="abc123"><br>
    <input type="submit" value="login">
</form>


<!-- use form with class works ok -->
<!-- <form class="FormAbc" method="post">
    <input type="text" name="name" required placeHolder="name" value="wzq"><br>
    <input type="password" name="password" required placeHolder="password" value="abc123"><br>
    <button class="ButtonAbc">login</button>
</form> -->

<button id="toRegister">register</button>
